Sam, Kat and Mina share some money in the ratio 2:7:9. Mina receives £157.50 more than Sam.
Calculate the total amount of money that they shared

Polygon mnopq is dilated by a scale factor of 0.8 with the origin as the center of dilation, resulting in the image m′n′o′p′q′. the coordinates of point m are (2, 4), and the coordinates of point n are (3, 5). the slope of is .

Asap! i'm not good math and i'm lost.

What value is a discontinuity of x squared plus 8 x plus 4, all over x squared minus x minus 6?